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The Climate Impact of Past Changes in Halocarbons and CO2 in the Tropical UTLS Region
Publisher: American Meteorological Society
Abstract: chemistry?climate model coupled to an ocean model is used to compare the climate impact of past (1960?2010) changes in concentrations of halocarbons with those of CO2 in the tropical upper troposphere and lower stratosphere ...
Separating the Dynamical Effects of Climate Change and Ozone Depletion. Part I: Southern Hemisphere Stratosphere
Publisher: American Meteorological Society
Abstract: A version of the Canadian Middle Atmosphere Model that is coupled to an ocean is used to investigate the separate effects of climate change and ozone depletion on the dynamics of the Southern Hemisphere (SH) stratosphere. ...
Separating the Dynamical Effects of Climate Change and Ozone Depletion. Part II: Southern Hemisphere Troposphere
Publisher: American Meteorological Society
Abstract: The separate effects of ozone depleting substances (ODSs) and greenhouse gases (GHGs) on forcing circulation changes in the Southern Hemisphere extratropical troposphere are investigated using a version of the Canadian ...
The Impact of Stratospheric Ozone Recovery on Tropopause Height Trends
Publisher: American Meteorological Society
Abstract: The evolution of the tropopause in the past, present, and future climate is examined by analyzing a set of long-term integrations with stratosphere-resolving chemistry climate models (CCMs). These CCMs have high vertical ...
Evaluating the Relationship between Interannual Variations in the Antarctic Ozone Hole and Southern Hemisphere Surface Climate in Chemistry–Climate Models
Publisher: American Meteorological Society
Abstract: AbstractStudies have recently reported statistically significant relationships between observed year-to-year spring Antarctic ozone variability and the Southern Hemisphere annular mode and surface temperatures in spring?summer. ...